<template>
  <view>
    <view class="goods-list">
      <view v-for="(goods, i) in goodsList" :key="i" @click="gotoDetail(goods)">
          <my-goods :goods="goods"></my-goods>
      </view>
    </view>
  </view>
</template>

<script>
  export default {
    data() {
      return {
        // 请求参数对象
        querObj:{
          query:'',
          cid:'',
          pagenum: 1,
          pagesize: 10,
          
      
        },
        goodsList:[],
        total:0,
        // 节流阀
        isloading:false
        
      };
    },
    onLoad(options) {
      this.querObj.query = options.query || ''
      this.querObj.cid = options.cid || ''
      this.getGoodsList()
    },
    methods:{
      // 获取商品列表数据的方法
      async getGoodsList(cb) {
        // 打开节流阀
        this.isloading =true
        const {data: res} = await uni.$http.get('/api/public/v1/goods/search', this.querObj)
        // 关闭节流阀
        this.isloading =false
        cb && cb()
        if(res.meta.status !== 200) return uni.$showMsg()
        this.goodsList = [...this.goodsList, ...res.message.goods]
        this.total = res.message.total
      },
    gotoDetail(goods) {
      uni.navigateTo({
        url: '/subpkg/goods_detail/goods_detail?goods_id=' + goods.goods_id
      })
    }
    },
     
     
    onReachBottom() {
      if (this.querObj.pagenum * this.querObj.pagesize >= this.total) return uni.$showMsg('数据加载完毕!')
      
      if(this.isloading) return 
      // 让页面值自增加1
      this.querObj.pagenum + 1
      this.getGoodsList()
    },
    onPullDownRefresh(){
      // 重置关键数据
      this.querObj.pagenum = 1
      this.total = 0
      this.isloading = false
      this.goodsList = []
      
      // 重新发起数据请求
      this.getGoodsList(() => uni.stopPullDownRefresh())
    }
    
  }
</script>

<style lang="scss">

</style>
